Dehydration-actuated single-molecule magnet behavior in a cyanide-bridged [Fe2Co2] cluster featuring zigzag structure

Wu, Dong-Qing; Shi, Le; Shao, Dong; Xia, Mengying; Liao, Yuwei; Wu, Yanjiao; Wen, Jiajing; Zhai, Bin

doi:10.1016/j.molstruc.2023.136615

Journal of Molecular Structure

2024

DOI: 10.1016/j.molstruc.2023.136615

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Dehydration-actuated single-molecule magnet behavior in a cyanide-bridged [Fe2Co2] cluster featuring zigzag structure

Dong-Qing Wu,

Le Shi,

Dong Shao

et al.

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Hydrates of N-((10-Chloroanthracen-9-yl)methyl)-3-(1H-imidazol-1-yl)propan-1-ammonium Cobalt(II), Copper(II), and Zinc(II) 2,6-Pyridinedicarboxylate: Reversible Crystallization

Singh,

Baruah

2024

ACS Omega

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In a quest to explore interconvertible assemblies of hydrates of cobalt(II), copper(II), and zinc(II) 2,6-pyridinedicarboxylate (26-pdc), complexes having cation of a chlorosubstituted analogue N-{(10-chloroanthracen-9-yl)methyl}-3-(1Himidazol-1-yl)propan-1-amine were investigated. In the case of cobalt and copper complexes, a crystallized stable hydrate and a less stable methanol hydrate were guided by concentrationdependent crystallizations. The unit-cells of the crystals of the methanol hydrates of the two cobalt and copper complexes each belong to the P1̅ space group but have different stoichiometries as well as large differences in packing. These hydrates could be reversibly crystallized in a predictable manner. The unit-cell volumes of the methanol hydrate of the cobalt complex were fourtimes smaller than that of the respective stable form (C2/c space group), whereas similar hydrates of the copper complex had a twotimes smaller unit-cell volume than that of the stable form. The cations of the stable forms assembled together and formed zigzag ladder-like chains. The spaces present in between the assembled chains were filled with clusters of face to face stacked anions. The transformation to stable form required a bottom-up building process of the unit-cell starting from a smaller unit-cell of the less stable hydrates. Fluorescence spectroscopic studies showed the possibility of two forms of assemblies of the zinc-complex in solution, but crystallization had yielded only the stable form.

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Hydrates of N-((10-Chloroanthracen-9-yl)methyl)-3-(1H-imidazol-1-yl)propan-1-ammonium Cobalt(II), Copper(II), and Zinc(II) 2,6-Pyridinedicarboxylate: Reversible Crystallization

Singh,

Baruah

2024

ACS Omega

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Dehydration-actuated single-molecule magnet behavior in a cyanide-bridged [Fe2Co2] cluster featuring zigzag structure

Cited by 1 publication

References 54 publications

Hydrates of N-((10-Chloroanthracen-9-yl)methyl)-3-(1H-imidazol-1-yl)propan-1-ammonium Cobalt(II), Copper(II), and Zinc(II) 2,6-Pyridinedicarboxylate: Reversible Crystallization

Hydrates of N-((10-Chloroanthracen-9-yl)methyl)-3-(1H-imidazol-1-yl)propan-1-ammonium Cobalt(II), Copper(II), and Zinc(II) 2,6-Pyridinedicarboxylate: Reversible Crystallization

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